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andrezito [222]
3 years ago
6

In which situations is elastic potential energy present? Check all that apply. A bow is drawn back from its equilibrium position

. An arrow rests on a bow. A spring toy dart gun is unloaded. A spring toy dart gun is loaded with a dart. A bungee cord is connected to a tall tower. A bungee cord is stretched with a person at the end.
Physics
2 answers:
Simora [160]3 years ago
6 0
1,4,6
a bow is drawn back
a gun is loaded w/ a dart
a bungee cord is stretched
scoray [572]3 years ago
5 0
Elastic Potential Energy is present in the following:
1. A bow is drawn back from its equilibrium position.
2. A spring toy dart gun is loaded with a dart.
3. A bungee cord is stretched with a person at the end.
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ivanzaharov [21]
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6 0
3 years ago
I need help on all of this
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4 0
3 years ago
When you rub a plastic rod with fur, the plastic rod becomes negatively charged and the fur becomes positively charged. As a con
Yuri [45]

Answer: C. the rod gains mass and the fur loses mass.

Explanation:Atomic particles have mass. The electron has a mass that is approximately 1/1836 that of the proton and with exchange exchange of charge this is also factored in. The movement of effect described above is known as the triboelectic charging process—charging by friction—which results in a transfer of electrons between the two objects when they are rubbed together. Plastic having a much greater affinity for electrons than animal fur pulls electrons from the atoms of fur, leaving both objects with an imbalance of charge. The plastic rod would have an excess of electrons and the fur has a shortage of electrons. Having an excess of electrons, the plastic is charged negatively and has more mass. In the same vein, the shortage of electrons on the fur leaves it with a positive charge and consequently with lesser mass.

4 0
3 years ago
Which statement about acids is true? A. Weak acids ionize completely. B. Acids turn red litmus paper blue. C. Acids conduct elec
Vinil7 [7]
Id say d because it releases hydrogen and on the other hand a base receives it
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6 0
3 years ago
Hydraulic press is called an instrument for multiplication of force. Why?
Lisa [10]

Answer:

Hydraulic press is called an instrument for multiplication of force. Why? Because it uses Pascal's idea and  principle: F=p*S. If we apply small force to small piston you will generate a pressure. According to Pascal's law pressure is the same everywhere in closed system so the same pressure will act on large piston on the other side too.

Explanation:

4 0
3 years ago
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